text: /* s_asinhf.c -- float version of s_asinh.c.
   * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
   */
  
  /*
   * ====================================================
   * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   *
   * Developed at SunPro, a Sun Microsystems, Inc. business.
   * Permission to use, copy, modify, and distribute this
   * software is freely granted, provided that this notice
   * is preserved.
   * ====================================================
   */
  
  #include <math.h>
  #include <math_private.h>
  
  static const float
  one =  1.0000000000e+00, /* 0x3F800000 */
  ln2 =  6.9314718246e-01, /* 0x3f317218 */
  huge=  1.0000000000e+30;
  
  float
  __asinhf(float x)
  {
  	float w;
  	int32_t hx,ix;
  	GET_FLOAT_WORD(hx,x);
  	ix = hx&0x7fffffff;
  	if(__builtin_expect(ix< 0x38000000, 0)) {	/* |x|<2**-14 */
  	    if(huge+x>one) return x;	/* return x inexact except 0 */
  	}
  	if(__builtin_expect(ix>0x47000000, 0)) {	/* |x| > 2**14 */
  	    if(ix>=0x7f800000) return x+x;	/* x is inf or NaN */
  	    w = __ieee754_logf(fabsf(x))+ln2;
  	} else {
  	    float xa = fabsf(x);
  	    if (ix>0x40000000) {	/* 2**14 > |x| > 2.0 */
  		w = __ieee754_logf(2.0f*xa+one/(__ieee754_sqrtf(xa*xa+one)+xa));
  	    } else {		/* 2.0 > |x| > 2**-14 */
  		float t = xa*xa;
  		w =__log1pf(xa+t/(one+__ieee754_sqrtf(one+t)));
  	    }
  	}
  	return __copysignf(w, x);
  }
  weak_alias (__asinhf, asinhf)
  